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01/20/10 1:01 PM EST

Marlins' park now Sun Life Stadium

Dolphins agree to contract with financial company

MIAMI -- Same home, different name.

When the Marlins open the 2010 season, their home ballpark will be called Sun Life Stadium.

The name change became official on Wednesday, when the Miami Dolphins, who own the multisport stadium, announced the change.

On Opening Day in 2009, the park was called Dolphin Stadium, but in May, it changed to Land Shark Stadium. Land Shark held the naming rights until the completion of the Jan. 4 Orange Bowl college football game.

Sun Life Financial is a Toronto-based financial services and insurance company. The deal was expected for weeks, and the name switch is immediate. The deal is for at least five years, and according to reports, can extend for as much as 20 years.

Sun Life Stadium becomes the seventh different name on the building that initially was named after the Dolphins' former owner, Joe Robbie.

The Marlins share Sun Life Stadium with the NFL's Miami Dolphins and the University of Miami football team.

In the upcoming weeks, the Pro Bowl and Super Bowl XLIV will be played at Sun Life Stadium. Since their inaugural 1993 season, the Marlins have called the primary football stadium their home.

The Marlins have two more years to play at Sun Life Stadium before their 37,000-seat, retractable-roof ballpark opens in downtown Miami.

When the Marlins move into their baseball-only park in 2012, their name will change to the Miami Marlins.

Joe Frisaro is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.